Home / 5,117.94-7,677.06-1,997.82

Finding the Fourth Proportional to 5,117.94, 7,677.06 and 1,997.82

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Solution

The fourth proportional to 5,117.94, 7,677.06 and 1,997.82 is: 2,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.94 : 7,677.06 = 1,997.82 : x
  2. Step 2: Convert to fraction form
    5,117.94/7,677.06 = 1,997.82/x
  3. Step 3: Cross multiply
    5,117.94x = 7,677.06 × 1,997.82
  4. Step 4: Simplify right side
    5,117.94x = 15,337,384.01
  5. Step 5: Solve for x
    x = 15,337,384.01/5,117.94
  6. Step 6: Final answer
    x = 2,996.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.